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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...quest as done and set an event that signals the callers thread. Even if an extra thread was required the OS would be able to use that thread for multiple IO requests from multiple threads.
– Werner Henze
Nov 26 '15 at 9:00
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Creating a new dictionary in Python
I want to build a dictionary in Python. However, all the examples that I see are instantiating a dictionary from a list, etc . ..
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How to filter logcat in Android Studio?
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First declare your TAG names in your code e.g.
private static final String TAG = "MainTagName";
Then add log statements where you want to output something
Log.d(TAG, "Activity created");
As per free3dom in the second post, on the logcat tab click on the Filters dropdown and then Edit Fil...
Why do access tokens expire?
...red only via TLS (and your first bullet point does not apply) is there any extra security? 2) Assuming that all this holds in our scenario (only TLS, no self-encoded unrevokable tokens), is it okay to issue access tokens that don't expire?
– Thilo
Jul 6 '12 at ...
PostgreSQL return result set as JSON array?
...t list like SELECT json_agg((column1, column2, ...)) FROM t - notice the extra brackets. This may not be obvious "out of the box".
– jave.web
Oct 30 '19 at 20:16
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What really is a deque in STL?
I was looking at STL containers and trying to figure what they really are (i.e. the data structure used), and the deque stopped me: I thought at first that it was a double linked list, which would allow insertion and deletion from both ends in constant time, but I am troubled by the promise made ...
Renaming a branch while on pull request
...uild system work, and also not lose any information (although there was an extra step in tracking it).
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What's the algorithm to calculate aspect ratio?
...re that's been changed from 16:9 to 5:4 - I still remember the incredibly tall, thin cowboys I used to watch in my youth on television before letter-boxing was introduced. You may be better off having one different image per aspect ratio and just resize the correct one for the actual screen dimensio...
Create an empty list in python with certain size
...st comprehension (Using the squares because for range you don't need to do all this, you can just return range(0,9) ):
>>> def display():
... return [x**2 for x in range(9)]
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>>> print display()
[0, 1, 4, 9, 16, 25, 36, 49, 64]
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What is the equivalent of Java's final in C#?
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@jocull With strings being the only exception.
– Raimund Krämer
Dec 19 '18 at 15:26
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